Apparatus for locating, placing, and leveling berth seats for concrete cribs



9 1 635330 12 1 27 J. H. TROMANHAUSER APPARATUS FUR LOCATING, PLACING, AND LEVELING BERTH SEATS FOR CONCRETE CRIBS 2 Sheets-Sheet l Filed Feb. 25, 1926 .w 3 1:25: V A a3 5 1. v a 3 .l: i 73% Ma /3 l E 5 52: 5 33:3: \Q ,l \w ZT ZMV V. aw Q a .N) mi W M i fi H e) Jui 1 m y J. H. moMANHAusaR APPARATUS FOR LOCATING, PLACING, AND LEVEL ING BERTH SEATS FOR CONCRETE -CRIBS Filed Feb. 25', 192.6 2 Shasts-Sheet INVENTUR- w ld Patented July 12, 1927.

, UNITED STATE PATENT OFFICE.

Jnssn trRorrANH'A sER, or mama-T0,. oivfrnitr'o, only-Abe;

APrARAr'us Fort oo'A'rIive, rLAonve, AND L ELING BEBTH snn'rs roe coivonn'rn earns. J/

Application filed February '25, 1926. Serial No. 90,510.

Before sinking concrete cribs it is necessary that a suit-able berth seat be provided an which the crib may rest. Considerable rliliiculty has heretofore been experienced in providingsuch a berth seat which will be sufiiciently' level to provide a proper seat for the crib, and the object (it my invention is to devise apparatus by means of which the berth seat-may be very conveniently locatechplaced and leveled so that satisfactory seats are provided for the cribs. I

I attain my object by'meansof the constructions, hereinafter described and illustrated in the accompanying drawings in which Fig. 1 is a plan View, partly broken away,

of my improved apparatus; Fig. 2 aside elevationof the same ;an

Fig. 3 an endview of the same, the 'posi-. tion of a crib on the berth seats being indicated in dotted lines; 7

In the drawings'like'reference numerals indicate corresponding partsin thedifferent figures. v

1 is a pontoon template, which may beof any convenient construction. Thispontoon template, however, is provided with one or more rows of openings 2, althou'ghinthe drawing I show only one row. This pontoon template is positioned over the spot where the cribs are to be sunk and the crushed stone or other discrete material, of which the berth seat is usually formed,-is discharged through the openings 2 and over the sides of the pontoon template The openings will naturally be positioned to suit the disposition of the desired cribseats.

To level the stone I provide the drag bar or leveling beam 8, which is of a length to extend sufficiently beyond the sides of the pontoon template to level the stone discharged over the sides. This leveling beam is supported and actuated by means of the following mechanism. 7

Runnin on tracks 4 arranged longitudinally of the pontoon template 1 is a travelling carriage 5. On this carriage is mounted a winch 6 of any suitable construction, on the drum of which is wound two cables, one cable 7 passing over a guide pulley 8 located at one end of the carriage 5 and having its end connected adjacent one end of the leveling beam. The other cable 9 passes over a guide pulley 10 located at the other end of the carriage and has its other end connected withthe other end of the leveling beam. By

rotating therdrum of the winch the cables 7 and 9 may be Wound or unwound to raise or lower the; leveling beam as desired. v i The travelling carriage is provided with a winch 11, on the drum of'which is wound twofcables 12. The 'end of one of these ca-. bles is secured to a post 13 at one end of the pontoon template, while the end of the other cable 12 ismade fast to a post Hat the other end of the pontoon template. By rotatin the drum of the winch, one cable is wound upon the drum, while the other is being un wound, and the travelling carriage may thus bemo-ved back and forth longitudinally of the pontoon template. V In the drawing, as the pontoon template is comparatively wide, I show two winches 11 employed, one at each end of the carriage, although the drums of both winches will preferably be actuated simultaneously by means of the shaft-15.

The cables 7 and 9 being flexible, there is a tendency for the leveling beam, which has to travel throughthewater, to be heldback thereby andconsequently travel somewhat above the desired level. I therefore provide means whereby the leveling beam maybe retained-in its proper position relative to the travelling carriage. For this purpose I mount on; suitable platforms 16, one at eachsideof the pontoon template,two winches 17,. I

on the drums of which may be wound cables 18,. the other ends of which are connected with the leveling beam. These winches'may,

of course, be actuated by common or separate means. Suitable guide pulleys 19 are provided for the cables18, and to avoid the cables rubbing against the under side of the pontoon template, these pulleys 19 are preferably mounted on beams 20 extending outwardly from the end of the pontoon teinplate. a The apparatus is operated as follows. The pontoon template is placed in proper position and .the crushed stone for the berth seat dropped over the sides thereof and through the openings 2. The leveling beam 3 is then positioned over the stone at one end thereof, the cables? and 9 being let out so that the leveling beam lies at the proper level. The leveling beam is then moved forwardly by means of the travelling carriage, and the position of the beam relative to the carriage is controlled by meansof the winches l7 and cables l8. \Vl en the travelling carriage and leveling beam have reached the limit of travel in the forward direction, the beam is raised by means (it the winch ti and the travelling carriage moved rearwardly. The beam is again lowered and then drawn forward as before. The ope ation is repeated as often as may be necessary to satisfactorily level the stone.

It will be evident, of course. that many variations may be made. For example, winches similar to the winches l7 might be provided at the opposite end of the pontoon template and cables connected to the other side of the leveling beam, and thus leveling eould be etleeted during the return movement at the beam as well as during the forward movement.

From the above d "ption it: will. be seen that l have devised apparatus which will initis't'actorily attain the object ol my invention as set out in the preamble of the spoeit'icat ion.

What I claim is:

i. In apparatus oil. the character described, the combination ot a floating support adapted to be definitely positioned over an area to be leveled; a. travelling carriage movable horizontally on said support; guide pulleys on said carriage; winding IIICCliflIllSIYl mounted on said carriage; cables connected by one end to said winding inechanisn'i and passing over said pulleys; a leveling beam beneath the support and secured to the other ends of said cables; winding mechanism on said floating support; and a cable having one end secured to said \vindine mechanism and its other end connected with said leveling beam.

2. In apparatus ol the character described, the combination of a floating sup port. adapted to be definitely positioned over an area to be leveled; a travelling carriage movable horizontally on said support; leveling' means beneath said support carried by and movable with said travelling carriage; means for actuating said carriage com n'ising winding mechanisn'i carried by the car riage; and a pair of cables adapted to be wound on said winding mechanism one ot said cables having one end secured to a lined part atone end ol the support and the other of said cables hating one end secured to a tired part at the other end of the simport.

I'l. ljn apparatus at the charm-tor described. the combination of a floating support adapted to be detinilely positioned over an area to be leveled; travelling carriage mo 'able horizontally on said support; level inc means suspended -irom said carriage below said support; and means For movil'ijg; said leveling means to retain .it in substantially the same vertical plane as the carriage as the latter is moved.

4t. Apparatus for iliormine' crib seats on the sea bottom tttilllplfiFiligl a. floating support adapted to be definitely positioned over an area to be leveled and provided with openings positioned in accordance with the disposition of crib seats desired and through which discrete material may be dropped to form the seats: a travelling carriage movable l'iorizontally on said support; means below said support and suspended from said carriage for leveling said discrete material; and means for n'ioving' said leveling means to retain it in substantially the same vertical plane as the carriage as the latter is moved.

Signed at loront;o, Canada this 5th day of February, 192?.

JESSE ll. 'lltt )MA N l l A USER 

